Home / 605,724.71-908,849.50-324,913.91

Finding the Fourth Proportional to 605,724.71, 908,849.50 and 324,913.91

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Solution

The fourth proportional to 605,724.71, 908,849.50 and 324,913.91 is: 487,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,724.71 : 908,849.50 = 324,913.91 : x
  2. Step 2: Convert to fraction form
    605,724.71/908,849.50 = 324,913.91/x
  3. Step 3: Cross multiply
    605,724.71x = 908,849.50 × 324,913.91
  4. Step 4: Simplify right side
    605,724.71x = 295,297,839,290.01
  5. Step 5: Solve for x
    x = 295,297,839,290.01/605,724.71
  6. Step 6: Final answer
    x = 487,511.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.